Connecting Rod Bearing

Pistons and Rings

Cylinder Head

TM-5-3810-293-14-P-3 Crane Truck Mounted Hydraulic 25 Ton (CCE) Manual
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1.0 Specifications

DETROIT DIESEL 53

ENGINE PARTS (Standard Size, New)

MINIMUM

MAXIMUM

LIMITS

Thrust washer thickness ....................................................................

.1190"

.1220"

End play (end thrust clearance) .........................................................

.0040"

.0110"

.0180"

Connecting Rod Bearing

Inside diameter (vertical axis. V-type engine) ...................................

2.7511"

2.7531"

Bearing-to-journal clearance (V-type engine).....................................

.0011"

.0041"

.0060"

Bearing thickness 90 from parting line (V-engine) ............................

.1247"

.1252"

.1230"

Bearing thickness 90 from parting line (V-engine) ............................

.1240"

.1245"

.1230"

Main Bearings

Inside diameter (vertical axis, V-type engines) ..................................

3.5030"

3.5040"

Bearing-to-journal clearance (V-type engine).....................................

.0010"

.0040"

.0060"

Camshaft

Diameter (at bearing journals) ...........................................................

2.1820"

2.1825"

Runout at center bearing (when mounted on end bearings)

.........................................................................................................

.0020"

End thrust .........................................................................................

.0050"

.0150"

.0190"

Thrust washer thickness ....................................................................

.2080"

.2100"

Balance Shaft

Diameter (at bearing journals) ...........................................................

2.1820"

2.1825"

End thrust .........................................................................................

.0050"

.0150"

.0190"

Thrust washer thickness ....................................................................

.2080"

.2100"

Camshaft

Bearings

Inside diameter .................................................................................

2.1870"

2.1880"

Clearance--bearing-to-shaft...............................................................

.0045"

.0060"

.0080"

Camshaft

Gears

Backlash . .........................................................................................

.0030"

.0050"

.0070"

Idler Gear

Backlash ...........................................................................................

.0030"

.0050"

.0070"

Idler gear bearing inside diameter .....................................................

2.1860"

2.1870"

Idler gear hub outside diameter .........................................................

2.1825"

2.1835"

Clearance--bearing-to-hub.................................................................

.0025"

.0045"

.0070"

End play............................................................................................

.0060"

.0130"

.0170"

Thrust washer thickness ....................................................................

.1180"

.1200"

Crankshaft Timing Gear

Backlash .......................................................................................... .

.0030"

.0050"

.0070"

Blower Drive Gear

Backlash ...........................................................................................

.0030"

.0050"

.0070"

1972 General Motors Corp.

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